Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Light Rain

76°F

24°C

Humidity	85%
Wind Speed	S 12 mph
Barometer	29.97 in (1013.9 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	30 Aug 10:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles NNW Chicago IL

Tonight
Low: 74 °F
Chance
Showers
Monday
High: 89 °F
Slight Chance
T-storms
Monday Night
Low: 76 °F
Slight Chance
T-storms
Tuesday
High: 91 °F
Slight Chance
T-storms
Tuesday Night
Low: 77 °F
Partly Cloudy
Wednesday
High: 91 °F
Mostly Sunny
Wednesday Night
Low: 75 °F
Chance
T-storms
Thursday
High: 86 °F
Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 74. South southwest wind around 10 mph, with gusts as high as 15 mph.

Monday

A slight chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Monday Night

A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

Tuesday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 91. Heat index values as high as 98. Southwest wind 5 to 10 mph.

Tuesday Night

Partly cloudy, with a low around 77. South southwest wind around 5 mph, with gusts as high as 10 mph.

Wednesday

Mostly sunny, with a high near 91.

Wednesday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75.

Thursday

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

Friday

Mostly sunny, with a high near 85.